rust-lang
diff --git a/‎src/Cargo.lock
+30-41 b/‎src/Cargo.lock
+30-41
diff --git a/‎src/bootstrap/bin/rustc.rs
+1 b/‎src/bootstrap/bin/rustc.rs
+1
diff --git a/‎src/liblog/Cargo.toml
-9 b/‎src/liblog/Cargo.toml
-9
@@ -79,6 +79,7 @@ fn main() {
     cmd.args(&args)
         .arg("--cfg")
         .arg(format!("stage{}", stage))
+        .arg("--cfg").arg("rustbuild")
         .env(bootstrap::util::dylib_path_var(),
              env::join_paths(&dylib_path).unwrap());